u/TruthSignificant5540

Trying to Become Qualified in All 4 Divisions. Need Advice on Senior ABQs

I would like to become qualified in all four divisions. My undergraduate degree qualified me for Primary/Junior, and I recently passed the OISE Math Competency Exam so that I could enroll in the Intermediate Math ABQ, which I am currently completing.
I did not realize that becoming Intermediate-qualified does not automatically make me eligible to take a Senior Math ABQ. I am wondering if there are any Senior ABQs that do not require a teachable prerequisite.
I have quite a bit of free time this summer and would love to continue expanding my qualifications, but financially I am only able to take one additional course.

Any suggestions?

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